JPH10504570A - 2,3-dihydro-1- (2,2,2-trifluoroethyl) -2-oxo-5-phenyl-1H-1,4-benzodiazepine - Google Patents

2,3-dihydro-1- (2,2,2-trifluoroethyl) -2-oxo-5-phenyl-1H-1,4-benzodiazepine

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JPH10504570A
JPH10504570A JP8508203A JP50820396A JPH10504570A JP H10504570 A JPH10504570 A JP H10504570A JP 8508203 A JP8508203 A JP 8508203A JP 50820396 A JP50820396 A JP 50820396A JP H10504570 A JPH10504570 A JP H10504570A
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oxo
phenyl
benzo
dihydro
diazepin
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エー クレアモン,デービツド
リバートン,ナイジエル
セルニツク,ハロルド・ジー
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メルク エンド カンパニー インコーポレーテッド
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D243/00Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/10Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D243/141,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
    • C07D243/161,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals
    • C07D243/181,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals substituted in position 2 by nitrogen, oxygen or sulfur atoms
    • C07D243/24Oxygen atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/55Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/06Antiarrhythmics
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/12Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2300/00Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00

Abstract

This invention is concerned with novel compounds represented by structural formula I <IMAGE> I where X and Y are independently hydrogen, chloro, fluoro, bromo, iodo, or trifluoromethyl and n is 0, 1 or 2; R is hydrogen, fluoro, chloro, bromo, iodo, or trifluoromethyl, methyl, or methoxy; and the racemates, mixtures of enantiomers, individual diastereomers or individual enantiomers with all isomeric forms and pharmaceutically acceptable salts, hydrates or crystal forms thereof, which are antiarrhythmic agents.

Description

【発明の詳細な説明】発明の名称 2,3−ジヒドロ−1−(2,2,2−トリフルオロエチル)−2−オキソ−5 −フェニル−1H−1,4−ベンゾジアゼピン発明の背景 不整脈はしばしば、心筋梗塞及び心不全などの心疾患の合併症として発生する 。重篤な場合、不整脈は心室細動を惹起し、突然死の原因となりかねない。 現在様々な抗不整脈薬が市販されているが、十分な作用と高い安全性プロフィ ールとの両方を示す薬物はまだ得られていない。例えば、活動電位の立ち上がり (upstroke)の最高速度(Vmax)を選択的に抑制する、Vaugh an−Williams分類のクラスIに属する抗不整脈薬は心室細動の予防に は不適当である。加えて、この薬物には安全性の点で問題が有り、即ち該薬物は インパルス伝導の抑制によって心筋収縮性を低下させ、また不整脈を誘発しがち である。クラスII及びIVにそれぞれ属するアドレナリン性β受容体遮断薬及びカ ルシウム拮抗物質は、その作用が特定種類の不整脈に限定されるか、またはその 心筋抑制特性ゆえに或る種の心血管疾患患者では禁忌 とされるという欠点を有する。しかし、これらの薬物の安全性はクラスIの抗不 整脈薬の安全性より高い。 クラスIIIの抗不整脈薬は、Vmaxの甚だしい抑制を伴わずに活動電位の持 続時間を選択的に延長する薬物である。このクラスに属する薬物は限られている 。一例として、ソタロール及びアミオダロンなどはクラスIII特性を有すること が判明している。ソタロールはクラスIIの作用も有するが、この作用は或る種の 敏感な患者では心筋抑制を惹起して禁忌とされる場合が有る。また、アミオダロ ンは副作用によって厳しい制約を受ける。このクラスの薬物は心室細動の予防に 有効であると考えられる。自明ながら、純粋なクラスIII薬物は、クラスIの抗 不整脈薬のように活動電位伝導の抑制によって心筋抑制を惹起したり不整脈を誘 発したりするとは看做されない。発明の概要 本発明は、抗不整脈薬である、構造式I 〔式中 X及びYは独立に水素、クロロ、フルオロ、ブロモ、ヨード、またはトリフルオ ロメチルであり、nは0、1または2であり、 Rは水素、フルオロ、クロロ、ブロモ、ヨード、またはトリフルオロメチル、メ チルもしくはメトキシである〕によって表わされる新規な化合物並びに該化合物 の、いずれも異性体形態であるラセミ化合物、エナンチオマー混合物、個々のジ アステレオマーまたは個々のエナンチオマー、及び医薬に許容可能な塩、水和物 または結晶形態に係わる。本発明はまた、いずれか1種の上記新規な化合物を活 性成分として含有する医薬組成物にも係わる。 本発明の化合物は、不斉中心を有してラセミ化合物、エ ナンチオマー混合物、個々のジアステレオマーとして、または個々のエナンチオ マーとして生成し得、これらの異性体形態は総て本発明に含まれる。 本発明は、不整脈の治療を必要とする患者にいずれか1種の上記新規な化合物 か、または当該化合物を含有する組成物を投与することによって不整脈を治療す る方法にも係わる。発明の詳細な説明 本発明は、抗不整脈薬である、構造式I 〔式中 X及びYは独立に水素、クロロ、フルオロ、ブロモ、ヨード、またはトリフルオ ロメチルであり、nは0、1または2であり、 Rは水素、フルオロ、クロロ、ブロモ、ヨード、またはトリフルオロメチル、メ チルもしくはメトキシである〕によって表わされる新規な化合物並びに該化合物 の、いずれも異性体形態であるラセミ化合物、エナンチオマー混合物、個々のジ アステレオマーまたは個々のエナンチオマー、及び医薬に許容可能な塩、水和物 または結晶形態を提供する。本発明の化合物は、不斉中心を有してラセミ化合物 、エナンチオマー混合物、個々のジアステレオマーとして、または個々のエナン チオマーとして生成し得、これらの異性体形態は総て本発明に含まれる。 本発明は、不整脈の治療を必要とする患者にいずれか1種の上記新規な化合物 か、または当該化合物を含有する組成物を投与することによって不整脈を治療す る方法にも係わる。 最も好ましい本発明の具体例は、(−)−2−[2,4−ビス(トリフルオロ メチル)フェニル]−N−[3R−2,3−ジヒドロ−2−オキソ−5−フェニ ル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][1,4] ジアゼピン−3−イル]アセトアミド である。 本発明の新規な化合物の別の例に、(+)−3,5−ジクロロ−N−[3R− 2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオ ロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]ベンズアミ ド が有る。 本発明の新規な化合物の例には、(−)−2−(3,4−ジクロロフェニル) −N−[3R−2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2, 2−トリフル オロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトア ミド も有る。 本発明の新規な化合物の更に別の例として、(−)−2−(3,5−ジクロロ フェニル)−N−[3R−2,3−ジヒドロ−2−オキソ−5−フェニル−1− (2,2,2−トリフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピ ン−3−イル]アセトアミド も挙げられる。 本発明の例にはほかにも、 3−シクロヘキシル−N−[5−(2−フルオロフェニル)−2−オキソ−1− (2,2,2−トリフルオロエチル)−2,3−ジヒドロ−1H−ベンゾ[e] [1,4]ジアゼピン−3−イル]プロピオンアミド、 3,4−ジクロロ−N−[5−(2−フルオロフェニル)−2−オキソ−1−( 2,2,2−トリフルオロエチル)−2,3−ジヒドロ−1H−ベンゾ[e][ 1,4]ジアゼピン−3−イル]ベンズアミド、 (−)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[3R− 2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオ ロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミ ド、 (−)−2−(4−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(3−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2,4−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(3−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(4−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド、 (+)−2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−2−オ キソ−5−(4−フルオロフェニル)−1−(2,2,2−トリフルオロエチル )−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2,4−ジクロロフェニル)−N−[2−オキソ−5−(4−フ ルオロフェニル)−1−(2,2,2−トリフルオロエチル)−2,3−ジヒド ロ−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (+)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[2−オ キソ−5−(4−フルオロフェニル)−1−(2,2,2−トリフルオロエチル )−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド、 (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[2−オ キソ−5−(4−フルオロフェニル)−1−(2,2,2−トリフルオロエチル )−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド、 2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−2−オキソ−5 −フェニル−1−(2,2,2−ト リフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]ア セトアミド などが有る。 本発明の化合物を製造する新規な方法を、次の図式Iに概略的に例示する。こ の方法の諸ステップは当業者には良く知られており、及び/または後出の実施例 に説明してある。 本発明の新規な化合物はクラスIIIの抗不整脈薬に要求される薬理特性を有し 、即ち該化合物はQTc間隔を延長し、かつ心室の不応性を投与量に応じて向上 させる。このような特性は、心拍数、平均動脈圧並びにPR及びQRS間隔に影 響することなく発揮される。LV+dp/dt(左心室の経時圧力変化)の緩や かな増大が観察される。更に、上記化合物はPVS(プログラム化心室刺激)誘 発性心室不整頻拍の誘発を抑制する。 上記のような本発明の化合物は、心室性及び心房性(上室性)不整脈を含めた あらゆる種類の不整脈の治療及び予防に有効である。本発明の化合物は再入性不 整脈の制御に特に有用であり、心室細動に起因する突然死を予防する。本発明の 化合物は、心臓のポンプ機能低下の治療及び予防にも有効である。 不整脈を治療する本発明の新規な方法では、いずれか1種の本発明の化合物ま たはその医薬に許容可能な塩を1日に体重1kg当たり約0.0001〜約10 mg、好ましくは約0.0001〜約2mg、更に好ましくは、静脈内送達によ る場合は約0.0003〜約0.3mg、経口投与の場合は約0.03〜約1m gの量で一度に、または2 〜4回に分けて投与する。 上記投与量の本発明の化合物またはその医薬に許容可能な塩は、経口、腹腔内 、皮下、筋肉内、経皮、舌下または静脈内投与する。静脈内投与、または例えば 当業者に知られた操作で製造した錠剤、トローチ剤、カプセル剤、エリキシル剤 、懸濁液剤、乳濁液剤、シロップ剤、ウェーファー状製剤、チューインガム状製 剤等の形態での経口投与が好ましい。治療に有用である上記のような組成物もし くは製剤中の活性化合物の量は、適当量での投与を実現するものとする。 本発明の化合物は単独の活性成分として投与し得、またはクラスI、クラスII もしくはクラスIV抗不整脈薬、血管拡張薬、アンギオテンシン変換酵素阻害剤、 アンギオテンシンII拮抗物質、利尿薬またはジギタリスといった他の抗不整脈薬 もしくは他の心血管薬と組み合わせて投与し得る。 本発明の化合物は、埋め込み型細動除去器を含めた細動除去器に関連付けられ る不整脈及び心臓のポンプ機能低下を治療する一法として投与可能である。本発 明の化合物は細動除去器の作動(firing)頻度を低下させる。 クラスI抗不整脈薬とは、膜安定化作用を及ぼす化合物 を含めた、ナトリウムチャンネルを遮断する薬物のことである。このクラスの化 合物の例に、キニジン、プロカインアミド、ディソピラミド、リドカイン、トカ イニド、フレカイニド及びプロパフェノンが有る。クラスII抗不整脈薬とは交感 神経活性を遮断する薬物のことである。このクラスの化合物の例にはプロプラノ ロール及びアセブトロールが有る。クラスIII抗不整脈薬とは、静止膜電位もし くは脱分極率を変えずに有効な不応期を延長する化合物のことである。本発明の 新規な化合物に加えて、アミオダロン、ブレチリウム及びソタロールなどの化合 物がこのクラスに属すると看做される。クラスIV抗不整脈薬はカルシウムチャン ネル遮断に有効である。このクラスの化合物の例にはジルチアゼム及びベラパミ ルが有る。これらのクラスの更に詳細な定義は、本明細書に参考として含まれる Pharma Projects, section C1B, May 19 93の中に見出すことができる。 血管拡張薬には、例えばパパベリン及び硝酸イソソルビドなどの化合物が有る 。アンギオテンシン変換酵素阻害剤の例には、エナラプリル、リシノプリル及び カプトプリルが含まれる。利尿薬の例には、ヒドロクロロチアジド及び アセタゾラミドが含まれる。ここに挙げた薬物は、本発明の意図する上記諸薬に 包含される多くの化合物の一例に過ぎない。 本明細書中に抗不整脈薬として述べる化合物の活性を、次の試験プロトコルに よって確認されるIKs及びIKr電流を遮断する能力によって測定する。 他の文献(Sanguinetti及びJurkiewicz,“Two c omponents of cardiac delayed rectifi er K+current: differential sensitivi ty to block by ClassIII antiarrhythmi c agents,”J. Gen. Physiol. 96, pp.19 5−215, 1990)に詳述された全細胞電圧固定技術を用いて、単一モル モット心室筋細胞において外向きカリウム電流を測定する。Langandor f灌流した心臓の酵素(コラゲナーゼ及びプロテアーゼ)消化によって筋細胞を 単離する。次に、単一細胞を、0.5Mグルコン酸カリウム、25mM KCl 、5mM K(2)ATPで満たした1mm2孔ピペットを用いて電圧固定する 。細 胞を温度35℃において、132mN NaCl、4mN KCl、1.2mN MgCl2、10mN HEPES、10mNグルコースを含有するpH7. 2の溶液に浸漬(bathe)する。 各細胞を−50mVの固定電圧に維持する。−85→−50mVの電圧勾配、 並びに−10mV(0.5秒)及び+50mV(1.0秒)の電圧ステップで試 験脱分極を適用する。電圧固定の間のピーク外向き電流としてIKIを測定する。 −10mVから−50mVへの再分極の際の尾(tail)電流としてIKrを測 定する。+50mVへのパルスの間の時間依存性電流としてIKsを測定する。電 流は対照期間中、次いで2種の異なる濃度の薬物への曝露後に測定する。 この試験を用いて調べたところ、ここに述べる化合物はIKs遮断薬として10 0nMより小さいIC50を有する。本発明の化合物は、IKrの遮断よりもIKsの 遮断において10倍以上強力である。 実施例 実施例1 (+)−3,5−ジクロロ−N−[3R−2,3−ジヒド ロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1 H−ベンゾ[e][1,4]ジアゼピン−3−イル]ベンズアミド ステップA2,3−ジヒドロ−2−オキソ−5−フェニ ル−1−(2,2,2−トリフルオロエチ ル)−1H−ベンゾ[e][1,4]ジアゼ ピンの製造 5−フェニル−1,4−ベンゾジアゼピン−2−オン(J. Org. Ch em. 27, p.3788,1962; 50g; 0.211mol)を DMF(100ml)に溶解させた溶液を炭酸セシウム(103.5g; 0. 317mol)及びヨウ化トリフルオロエチル(109.7g; 0.525m ol)で処理した。混合物を50℃で一晩攪拌した。次に、反応混合物を水(2 l)中へ注ぎ、酢酸エチル(3×1l)で抽出した。一つに合わせた酢酸エチル 画分を無水硫酸マグネシウムで脱水し、濾過し、減圧下に濃縮した。残留物をエ チルエーテルから結晶化させて、45g(68%)の標記化合物を得た。 MP=130〜131℃1 H NMR(CDCl3; 300MHz)δ: 7.65〜7.60(m,2 H)、7.60〜7.45(m,5H)、7.40〜7.20(m,2H)、5 .25(dq,J=14及び8.6Hz,1H)、4.82(d,J=10.5 Hz,1H)、4.15(見掛け六重項,J=8.6Hz,1H)、3.81( d,J=10.5Hz,1H)。ステップB3−アジド−5−フェニル−1−(2,2, 2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピンの製造 5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e ][1,4]ジアゼピン(70g; 0.22mol)をTHF(1500ml )に溶解させて−70℃に冷却した溶液を攪拌し、これにカリウムt−ブトキシ ド(1.1当量; 0.24mol; 240mlの1N THF溶液)を15 分掛けて滴下し加えた。2,4,6−トリイソプロピルベンゼンスルホニルアジ ド (74.8g; 0.24mol)をTHF(250ml)に溶解させた溶液を 5分掛けて添加した。これを10分間撹拌し、酢酸(40ml; 0.63mo l)を添加し、反応混合物を周囲温度に加温した。反応混合物をNaHCO3の 飽和溶液(1500ml)及び酢酸エチル(1l)中へ注いだ。相を分離し、水 性相を酢酸エチル(500ml)で抽出した。一つに合わせた有機層を水(50 0ml)、次いでブライン(300ml)で洗浄した。有機層をNa2SO4で脱 水し、かつ蒸発させて褐色の泡とした。この泡をエチルエーテルで粉砕して65 gの白色の粉末を得た。濾液を濃縮し、かつ30%酢酸エチル/ヘキサンで溶離 するシリカゲル上でのクロマトグラフィーに掛けて更に8.9gを得た。収量は 併せて74g(93%)であった。 MP=159〜160℃1 H NMR(CDCl3; 300MHz)δ: 7.70〜7.26(m,9 H)、5.28〜5.12(m,1H)、4.63(s,1H)、4.35〜4 .10(m,1H)。ステップC3−アミノ−5−フェニル−1−(2,2, 2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピンラセミ体の製造 3−アジド−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエ チル)−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン(83. 4mmol;30g)を300mlのエタノール及び150mlのTHFに溶解 させた溶液を攪拌し、これに10% Pd/C(10重量%; 3.0g)を添 加した。溶液に水素ガスを8時間通気した。反応溶液を濾過し、減圧下に蒸発さ せた。残留物をエチルエーテルから結晶化させて20.0gの白色の結晶を得た 。濾液を蒸発及び再結晶化させて更に4gを回収した。収率は併せて86.7% であった。 MP=141〜143℃1 H NMR(CDCl3; 300MHz)δ: 7.70〜7.26(m,9 H)、5.28〜5.12(m,1H)、4.57(s,1H)、4.35〜4 .10(m,1H)。ステップD2−アミノ−N−[2−オキソ−5−フェニ ル−1−(2,2,2−トリフルオロエチ ル)−2,3−ジヒドロ−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]− 3−フェニルプロピオンアミドの製造 3−アミノ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエ チル)−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン(92. 2mmol;30.74g)をDMF(300ml)に溶解させた溶液を攪拌し 、これにN−ベンジルオキシ−D−フェニルアラニン(92.2mmol; 2 7.6g)、1−(3−ジメチルアミノプロピル)−3−エチルカルボジイミド 塩酸塩(0.12mol; 22.95g)及び1−ヒドロキシベンズトリアゾ ール水和物(46.1mmol; 6.23g)を添加した。この溶液を室温で 2時間攪拌した。次に、反応混合物を11の10% KHSO4で稀釈し、酢酸 エチル(2×600ml)で抽出した。有機層を一つに合わせ、炭酸水素ナトリ ウムの飽和溶液(600ml)で洗浄した。これをブライン及び硫酸ナトリウム で脱水し、減圧下に蒸発させた。66.58gの橙色の泡が得られ、これはNM Rによれば酢酸エチルを含有していた。1 H NMR(CDCl3)δ: 7.75〜7.18(m,20H)、5.6 2〜5.55(m,1H)、5.48〜5.00(m,4H)、4.72〜4. 60(m,1H)、4.25〜4.05(m,1H)、3.32〜3.05(m ,2H)。 得られた上記物質を、これ以上精製せずに用いた。 2−(N−ベンジルオキシアミノ)−N−[2−オキソ−5−フェニル−1− (2,2,2−トリフルオロエチル)−2,3−ジヒドロ−1H−ベンゾ[e] [1,4]ジアゼピン−3−イル]−3−フェニルプロピオンアミドを1lのエ タノールに溶解させた溶液を撹拌し、これに10% Pd/C(15重量%)を 添加し、この反応溶液に水素を2時間通気し、その後1気圧の水素下に一晩撹拌 した。翌朝、反応溶液に水素を更に3時間通気した。次に、反応溶液を濾過し、 触媒を1lの塩化メチレンで濯ぎ、減圧下に蒸発させた。得られた固体を一晩真 空乾燥して、44.46gの白色の固体を得た。この固体を、1% MeOH: EtOAcで溶離するシリカ上でのクロマトグラフィーに掛けた。純粋な高Rf 画分(upper Rffractions)を集め、減圧下に蒸発させた。混 合画分を集め、蒸発させ、再びクロマトグラフィーに掛けた。純粋な画分を集め 、先の純粋な画分と一つに合わせて、総 収量18.11g(83.5%)の高Rfジアステレオマーを得た。1 H NMR(CDCl3; 300MHz)δ: 8.94(d,J=8.6H z,1H)、7.65〜7.10(m,9H)、5.64(d,J=8.6Hz ,1H)、5.28〜5.12(m,1H)、4.57(s,1H)、4.35 〜4.10(m,1H)、3.71(dd,J=9.8及び3.9Hz,1H) 、3.34(dd,J=13.9及び3.9Hz,1H)、2.79(dd,J =13.9及び10.0Hz,1H)。 X線分析によって、ベンゾジアゼピン環のC−3における絶対立体化学(ab solute stereochemistry)を(R)と確認した。 C−3(S)に対応する低Rf物質も単離した。ステップE3(R)−(+)−3−アミノ−5−フェニ ル−1−(2,2,2−トリフルオロエチ ル)−1H−ベンゾ[e][1,4]ジアゼ ピンの製造 2−アミノ−N−[2−オキソ−5−フェニル−1−(2,2,2−トリフル オロエチル)−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン− 3−イル]−3−フェニルプロピオンアミド(13.6g; 28. 3mmol)を塩化メチレン(136ml)に溶解させた溶液を攪拌し、これに イソチオシアン酸フェニル(3.87ml; 34.0mmol)を添加した。 この溶液を周囲温度で一晩攪拌した。次に、反応混合物を氷中で冷却し、トリフ ルオロ酢酸(2.73ml; 0.283mol)を添加し、反応混合物を周囲 温度に加温した。周囲温度で2.5時間攪拌後、反応混合物を減圧下に蒸発させ 、90:10:1:1の塩化メチレン:メタノール:酢酸:水を用いるクロマト グラフィーに掛けた。低Rfスポットを回収し、加熱せずに減圧下に蒸発させた 。残留物を600mlの塩化メチレン中に取り、300mlのNaHCO3飽和 溶液及び300mlの水で洗浄した。溶液をNa2SO4で脱水し、減圧下に蒸発 させた。残留物を酢酸エチル:ヘキサンから結晶化させて、6.65gの白色の 粉末を得た。 MP=162〜164℃1 H NMR(CDCl3; 300MHz)δ: 7.70〜7.26(m,9 H)、5.28〜5.12(m,1H)、4.57(s,1H)、4.35〜4 .10(m,1H)。 [α]D=+72.9°(c=0.7; MeOH) 同様にして、ステップDの低Rf生成物から(−)−3Sエナンチオマーを製 造した。 MP=156〜158℃1 H NMR(CDCl3; 300MHz)δ: 7.70〜7.26(m,9 H)、5.28〜5.12(m,1H)、4.57(s,1H)、4.35〜4 .10(m,1H)。 [α]D=−71.2°(c=0.66; MeOH)ステップF(+)−3,5−ジクロロ−N−[3R−2, 3−ジヒドロ−2−オキソ−5−フェニル− 1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン− 3−イル]ベンズアミドの製造 (+)−3R−3−アミノ−5−フェニル−1−(2,2,2−トリフルオロ エチル)−1H−ベンゾ[e][1,4]ジアゼピン(5.6g; 16.8m mol)をDMF(50ml)に溶解させた溶液を攪拌し、これに1−(3−ジ メチルアミノプロピル)−3−エチルカルボジイミド塩酸塩(4.44g; 2 3.0mmol)、並びに1−ヒドロキシベンズトリアゾール水和物(3.11 g; 23.0mmol)及び3,5−ジクロロ安息香酸(3.21g; 16.8m mol)を添加した。これを周囲温度で2時間攪拌した。反応混合物を500m lのNaHCO3飽和溶液で稀釈し、2×300mlの酢酸エチルで抽出した。 一つに合わせた有機相を10% KHSO4(200ml)、ブライン(200 ml)で洗浄し、Na2SO4で脱水し、かつ蒸発させて白色の泡を得た。この泡 を、20%酢酸エチル:ヘキサンで溶離する75×200mmシリカカラム上で のクロマトグラフィーに掛けた。純粋な画分を集め、減圧下に蒸発させて8.5 gの白色の泡を得、これを15%酢酸エチル:ヘキサンから結晶化させて5.3 gの白色の粉末を得た。 MP=140〜143℃ [α]D=+47.9°1 H NMR(CDCl3; 300MHz)δ: 7.85〜7.75(m,2 H)、7.70〜7.20(m,9H)、5.78(d,J=8.1Hz,1H )、5.30〜5.15(m,1H)、4.30〜4.15(m,1H)。 C2416Cl2332の元素分析: 計算値 C 56.93; H 3.19; N 8.30 実測値 C 56.81; H 3.17; N 8.17 次の諸実施例の化合物を、実施例1のステップFに述べたのと実質的に同じ操 作で製造した。実施例2 (−)−2−(3,4−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=219〜221℃ [α]D=−10.8°1 H NMR(CDCl3; 300MHz)δ: 7.65〜7.15(m,1 2H)、5.78(d,J=8.1Hz,1H)、5.25〜5.10(m,1 H)、4.25〜4.05(m,1H)、3.56(s,2H)。 C2518Cl2332・0.85H2Oの元素分析: 計算値 C 56.06; H 3.71; N 7.84 実測値 C 56.03; H 3.53; N 7.82実施例3 (−)−2−(3,5−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=93〜100℃ [α]D=−5.7°1 H NMR(CDCl3; 300MHz)δ: 7.65〜7.15(m,1 2H)、5.78(d,J=8.1Hz,1H)、5.25〜5.10(m,1 H)、4.25〜4.05(m,1H)、3.65(s,2H)。 C2518Cl2332の元素分析: 計算値 C 57.71; H 3.49; N 8.08 実測値 C 57.41; H 3.48; N 8.12実施例4 (−)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[3R− 2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオ ロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミ MP=泡(foam)℃ [α]D=−9.7°(c=0.59; MeOH) C2718932・0.75H2Oの元素分析(%): 計算値 C 53.96; H 3.27; N 6.99 実測値 C 53.96; H 3.1 ; N 6.98実施例5 (−)−2−(4−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル− 1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][1,4]ジア ゼピン−3−イル]アセトアミド MP=253〜255℃ [α]D=−9.2°(c=0.25; MeOH) C2619632・0.05エチルエーテル・0.55H2Oの元素分析(%) : 計算値 C 59.03; H 3.9 ; N 7.88 実測値 C 59.05; H 3.82; N 7.78実施例6 2−(3−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒドロ−2 −オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベ ンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=172〜173℃ [α]D=+5.9°(c=0.56; CHCl3) C2619632・0.60H2Oの元素分析(%): 計算値 C 58.89; H 3.84; N 7.92 実測値 C 58.92; H 3.71; N 7.98実施例7 (+)−2−(2−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=170〜171℃ [α]D=+9.0°(c=0.48; CHCl3) C2619632・0.25H2Oの元素分析(%): 計算値 C 59.6 ; H 3.75; N 8.02 実測値 C 59.64; H 3.68; N 7.97実施例8 (−)−2−(2,4−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=143〜145℃ [α]D=−22.6°(c=0.73; MeOH) C251832Cl23の元素分析(%): 計算値 C 57.71; H 3.49; N 8.08 実測値 C 57.75; H 3.52; N 8.09実施例9 (−)−2−(3−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド MP=188〜189℃ [α]D=−5.4°(c=1.03; MeOH) C2519ClF332・0.10エチルエーテルの元素分析(%): 計算値 C 61.84; H 4.09; N 8.52 実測値 C 61.84; H 4.05; N 8.5実施例10 (−)−2−(4−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド MP=246〜247℃ [α]D=−10.1°(c=0.45; MeOH) C2519ClF332・0.20H2O・0.15エチルエーテルの元素分析( %): 計算値 C 61.42; H 4.21; N 8.39 実測値 C 61.46; H 4.15; N 8.39実施例11 (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[3R− 2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオ ロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミ ステップA2,4−ビス(トリフルオロメチル)ベンゾ ニトリル 100mlのエタノールと、250mlのリン酸緩衝液(H2O 5ml当た り1gのNaH2PO4・H2O;50% NaOHでpHを7.0に調節)と、 NaCN(81.3mmol; 4.0g)との二相混合物を60℃に加熱攪拌 し、これに50mlのEtOH中の2,4−ビス(トリフルオロメチル)ベンジ ルブロミド(32.5mmol; 10g)を30分掛けて滴下し加えた。反応 混合物を60℃で24時間加熱した。次に、反応混合物を減圧下に蒸発させた。 残留水性相を2×150mlのEtOAcで抽出した。有機層を一つに合わせ、 ブライン及びNa2SO4で脱水した。有機相を減圧下に蒸発させ、残留物を、1 0% EtOAc:ヘキサンで溶離するシリ カ上でのクロマトグラフィーに掛けた。純粋な画分を集め、かつ蒸発させて、7 .0g(85.1%)の淡黄色の油を得た。1 H NMR(CDCl3)δ: 8.0〜7.85(m,3H)、4.03(s ,2H)。ステップB2,4−ビス(トリフルオロメチル)フェニ ル酢酸 2,4−ビス(トリフルオロメチル)ベンゾニトリル(41.5mmol; 10.51g)を100mlの酢酸、50mlの濃H2SO4及び20mlの水中 に取った。これを3時間120℃に加熱した。次に、反応混合物を1lの氷水で 稀釈し、2×300mlの酢酸エチルで抽出した。一つに合わせた有機相を2× 200mlの水で洗浄し、ブライン及びNa2SO4で脱水し、減圧下に蒸発させ た。残留物を最少量のジエチルエーテル中に取り、十分な量のヘキサンの添加に より結晶化させて、生成物を沈澱させた。固体を回収して、7.74g(68. 5%)の2,4−ビス(トリフルオロメチル)フェニル酢酸を白色の結晶とし て得た。1 H NMR(CDCl3)δ: 7.93(s,1H)、7.80(d,J=7 .9Hz,1H)、7.55(d,J=7.9Hz,1H)、3.94(s,2 H)。ステップC(−)−2−[2,4−ビス(トリフルオロ メチル)フェニル]−N−[3R−2,3− ジヒドロ−2−オキソ−5−フェニル−1− (2,2,2−トリフルオロエチル)−1H −ベンゾ[e][1,4]ジアゼピン−3− イル]アセトアミドの製造 3R−3−アミノ−2−オキソ−5−フェニル−1−(2,2,2−トリフル オロエチル)−2,3−ジヒドロ−1H−ベンゾ[e][1,4]ジアゼピン( 28.4mmol; 9.47g)をDMF(100ml)に溶解させた溶液を 攪拌し、これに2,4−ビス(トリフルオロメチル)フェニル酢酸(28.4m mol; 7.74g)、1−(3−ジメチルアミノプロピル)−3−エチルカ ルボジイミド塩酸塩(42.6mmol; 8.16g)及び1−ヒドロキシベ ンズトリアゾール水和物(14.2mm ol; 1.92g)を添加した。これを室温で1時間攪拌した。次に、反応混 合物を750mlの10% KHSO4で稀釈し、酢酸エチル(2×300ml )で抽出した。有機層を一つに合わせ、炭酸水素ナトリウムの飽和溶液(1×6 00ml)で洗浄した。その後、有機相をブライン、及び硫酸ナトリウムで脱水 し、減圧下に蒸発させた。残留物を、20% EtOAC:ヘキサンで溶離する シリカ上でのクロマトグラフィーに掛けた。純粋な画分を集め、蒸発させた。残 留物を、加温した75%イソプロパノール:水100ml中に取った。これをゆ っくり冷却し、室温で一晩(16時間)攪拌した。懸濁液を短時間で@5℃に冷 却し、濾過した。白色の固体を60℃で一晩乾燥して、132〜134℃で融解 する物質10.5gを得た。X線回折によって結晶化度を確認する。1 H NMR(CDCl3)δ: 7.95〜7.25(m,13H)、5.60 (d,J=8.1Hz,1H)、5.30〜5.10(m,1H)、4.25〜 4.06(m,1H)、3.96(s,2H)。 C2718932の元素分析(%): 計算値 C 55.20; H 3.09; N 7.15 実測値 C 55.03; H 3.14; N 7.10実施例12 (±)−2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド MP=219〜220℃,ラセミ体 C251832Cl23の元素分析(%): 計算値 C 57.71; H 3.49; N 8.08 実測値 C 57.94; H 3.48; N 8.02実施例13 2−(3,5−ジクロロ−4−メトキシフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド MP=100〜104℃ [α]D=−8.9°(c=0.55; MeOH) C2620Cl2333の元素分析(%): 計算値 C 56.74; H 3.66; N 7.63 実測値 C 55.67; H 3.47; N 7.41 次の諸実施例の化合物を、実施例1に述べたのと実質的に同じ操作で、ただし ステップAにおいてフルオロ置換アミノベンゾフェノンを適宜置き換えて製造し た。実施例14 (+)−2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−5−( 4−フルオロフェニル)−2−オキソ−1−(2,2,2−トリフルオロエチル )−1H−ベ ンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド MP=泡℃ [α]D=+3.4°(c=0.55; MeOH) C251732Cl24の元素分析(%): 計算値 C 55.78; H 3.18; N 7.81 実測値 C 55.73; H 3.25; N 7.72実施例15 (−)−2−(2,4−ジクロロフェニル)−N−[2,3−ジヒドロ−5−( 4−フルオロフェニル)−2−オキソ−1−(2,2,2−トリフルオロエチル )−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミ MP=泡℃ [α]D=−11°(c=0.68; MeOH) C2517324の元素分析(%): 計算値 C 55.78; H 3.18; N 7.81 実測値 C 55.82; H 3.41; N 7.42実施例16 (+)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[2,3 −ジヒドロ−5−(4−フルオロフェニル)−2−オキソ−1−(2,2,2− トリフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド MP=泡℃ [α]D=+2.8°(c=0.67; MeOH) C27173210の元素分析(%): 計算値 C 53.56; H 2.83; N 6.94 実測値 C 53.56; H 2.93; N 6.91実施例17 (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[2,3 −ジヒドロ−5−(4−フルオロフェニル)−2−オキソ−1−(2,2,2− トリフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド [α]D=−14°(c=0.63; MeOH) C27173210の元素分析(%): 計算値 C 53.56; H 2.83; N 6.94 実測値 C 53.3 ; H 2.89; N 7.05実施例18 3−シクロヘキシル−N−[2,3−ジヒドロ−5−(2−フルオロフェニル) −2−オキソ−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e] [1,4]ジアゼピン−3−イル]プロピオンアミド MP=202〜204℃1 H NMR(CDCl3)δ: 7.72(m,8H)、5.65(d,J=8 .3Hz,1H)、5.35〜5.08(m,1H)、4.32〜4.15(m ,1H)、2.37(t,J=7.8Hz,2H)、1.80〜1.55(m, 7H)、1.45〜 C2627432の元素分析(%): 計算値 C 63.8 ; H 5.56; N 8.58 実測値 C 63.82; H 5.54; N 8.56実施例19 3,4−ジクロロ−N−[2,3−ジヒドロ−5−(2−フルオロフェニル)− 2−オキソ−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][ 1,4]ジアゼピン−3−イル]ベンズアミド MP=168〜170℃1 H NMR(CDCl3)δ: 8.03(d,J=2.0Hz,1H)、7. 86(d,J=7.8Hz,1H)、7.78〜7.05(m,9H)、5.8 0(d,J=7.8Hz,1H)、5.27〜5.15(m,1H)、4.35 〜4.20(m,1H)。 C2415Cl2432の元素分析(%): 計算値 C 54.98; H 2.88; N 8.01 実測値 C 54.96; H 2.89; N 8.12DETAILED DESCRIPTION OF THE INVENTIONTitle of invention 2,3-dihydro-1- (2,2,2-trifluoroethyl) -2-oxo-5 -Phenyl-1H-1,4-benzodiazepineBackground of the Invention   Arrhythmias often occur as a complication of heart disease such as myocardial infarction and heart failure . In severe cases, arrhythmias can cause ventricular fibrillation and cause sudden death.   Currently, a variety of antiarrhythmic drugs are marketed, but they have sufficient effects and a high safety profile. No drug has been obtained yet. For example, the rise of the action potential Vaugh, which selectively suppresses the maximum speed (Vmax) of (upstroke) Antiarrhythmic drugs belonging to class I of the an-Williams classification are used for prevention of ventricular fibrillation Is inappropriate. In addition, this drug has safety issues, i.e., Inhibition of impulse conduction reduces myocardial contractility and tends to induce arrhythmias It is. Adrenergic β-receptor blockers and Lucium antagonists are limited in their action to certain types of arrhythmias or Contraindicated in certain cardiovascular disease patients due to myocardial inhibitory properties Has the disadvantage that However, the safety of these drugs is class I Higher than arrhythmic drug safety.   Class III antiarrhythmic drugs possess action potential without significant suppression of Vmax It is a drug that selectively extends the duration. Drugs belonging to this class are limited . For example, sotalol and amiodarone have class III properties Is known. Sotalol also has class II effects, but this effect may Sensitive patients may cause myocardial depression and be contraindicated. Also, Amiodaro Are severely constrained by side effects. This class of drugs can help prevent ventricular fibrillation Considered valid. Obviously, pure class III drugs are class I Inhibition of action potential conduction, like cardiac arrhythmia, causes myocardial depression or induces arrhythmia Is not considered to be emitted.Summary of the Invention   The present invention relates to an antiarrhythmic agent, which is represented by Structural Formula I (In the formula X and Y are independently hydrogen, chloro, fluoro, bromo, iodo, or trifluoro N is 0, 1 or 2; R is hydrogen, fluoro, chloro, bromo, iodo, or trifluoromethyl, A compound represented by the formula: Racemates, enantiomeric mixtures, individual dimers Astereomers or individual enantiomers, and pharmaceutically acceptable salts and hydrates Or it is related to the crystal form. The present invention also utilizes any one of the above novel compounds. The present invention also relates to a pharmaceutical composition containing a pharmaceutically acceptable ingredient.   The compounds of the present invention have asymmetric centers, Mixtures of enantiomers, as individual diastereomers or as individual enantiomers And all of these isomeric forms are included in the present invention.   The present invention relates to any one of the above novel compounds in a patient in need of treatment for arrhythmia. Or treating an arrhythmia by administering a composition containing the compound. Also involved in the method.Detailed description of the invention   The present invention relates to an antiarrhythmic agent, which is represented by Structural Formula I (In the formula X and Y are independently hydrogen, chloro, fluoro, bromo, iodo, or trifluoro N is 0, 1 or 2; R is hydrogen, fluoro, chloro, bromo, iodo, or trifluoromethyl, A compound represented by the formula: Racemates, enantiomeric mixtures, individual dimers Astereomers or individual enantiomers, and pharmaceutically acceptable salts and hydrates Or provide a crystalline form. The compounds of the present invention are racemic compounds having an asymmetric center. , Enantiomeric mixtures, as individual diastereomers, or as individual enantiomers They can be formed as thiomers, and all of these isomeric forms are included in the present invention.   The present invention relates to any one of the above novel compounds in a patient in need of treatment for arrhythmia. Or treating an arrhythmia by administering a composition containing the compound. Also involved in the method.   The most preferred embodiment of the present invention is (-)-2- [2,4-bis (trifluoro Methyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl Ru-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1,4] Diazepin-3-yl] acetamide It is.   Another example of the novel compounds of the present invention include (+)-3,5-dichloro-N- [3R- 2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Loethyl) -1H-benzo [e] [1,4] diazepin-3-yl] benzami Do There is.   Examples of the novel compounds of the present invention include (-)-2- (3,4-dichlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2, 2-Triflu (Oroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetoa Mid There is also.   As still another example of the novel compound of the present invention, (-)-2- (3,5-dichloro Phenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1,4] diazepi N-3-yl] acetamide Are also mentioned.   In addition to the examples of the present invention, 3-cyclohexyl-N- [5- (2-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl) -2,3-dihydro-1H-benzo [e] [1,4] diazepin-3-yl] propionamide, 3,4-dichloro-N- [5- (2-fluorophenyl) -2-oxo-1- ( 2,2,2-trifluoroethyl) -2,3-dihydro-1H-benzo [e] [ 1,4] diazepin-3-yl] benzamide, (-)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [3R- 2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Roethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetami Do (-)-2- (4-trifluoromethylphenyl) -N- [3R-2,3-dihi Dro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (3-trifluoromethylphenyl) -N- [3R-2,3-diphenyl Dro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (2-trifluoromethylphenyl) -N- [3R-2,3-dihi Dro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (2,4-dichlorophenyl) -N- [3R-2,3-dihydro- 2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (3-chlorophenyl) -N- [3R-2,3-dihydro-2-o Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] diazepin-3-yl] acetamide, (-)-2- (4-chlorophenyl) -N- [3R-2,3-dihydro-2-o Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] diazepin-3-yl] acetamide, (+)-2- (3,5-dichlorophenyl) -N- [2,3-dihydro-2-o Oxo-5- (4-fluorophenyl) -1- (2,2,2-trifluoroethyl ) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide; (-)-2- (2,4-dichlorophenyl) -N- [2-oxo-5- (4-f (Fluorophenyl) -1- (2,2,2-trifluoroethyl) -2,3-dihydrido B-1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (+)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [2-o Oxo-5- (4-fluorophenyl) -1- (2,2,2-trifluoroethyl ) -2,3-Dihydro-1H-benzo [e] [1,4] diazepin-3-yl] Acetamide, (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [2-o Oxo-5- (4-fluorophenyl) -1- (2,2,2-trifluoroethyl ) -2,3-Dihydro-1H-benzo [e] [1,4] diazepin-3-yl] Acetamide, 2- (3,5-dichlorophenyl) -N- [2,3-dihydro-2-oxo-5 -Phenyl-1- (2,2,2-to (Trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] a Cetamide There are.   A new method for preparing the compounds of the present invention is schematically illustrated in Scheme I below. This The steps of the method are well known to those skilled in the art and / or Has been described.   The novel compounds of the present invention have the pharmacological properties required for Class III antiarrhythmic drugs Ie, it prolongs the QTc interval and increases ventricular refractory in a dose dependent manner. Let it. These characteristics affect heart rate, mean arterial pressure, and PR and QRS intervals. It is exhibited without reverberation. LV + dp / dt (pressure change over time in left ventricle) A considerable increase is observed. In addition, the compounds may induce PVS (programmed ventricular stimulation). Suppresses the onset of ventricular tachycardia.   Compounds of the invention as described above include ventricular and atrial (supraventricular) arrhythmias It is effective in treating and preventing all kinds of arrhythmias. The compounds of the present invention are not reentrant. It is particularly useful in controlling arrhythmias and prevents sudden death due to ventricular fibrillation. Of the present invention The compounds are also effective in treating and preventing cardiac pump dysfunction.   The novel method of treating arrhythmias according to the present invention comprises any one of the compounds of the present invention. Or a pharmaceutically acceptable salt thereof, from about 0.0001 to about 10 mg / kg body weight per day. mg, preferably from about 0.0001 to about 2 mg, more preferably by intravenous delivery. About 0.0003 to about 0.3 mg for oral administration and about 0.03 to about 1 m for oral administration. once in a quantity of g or 2 Administer in 4 divided doses.   The above dose of the compound of the present invention or a pharmaceutically acceptable salt thereof is administered orally, intraperitoneally. It is administered subcutaneously, intramuscularly, transdermally, sublingually or intravenously. Intravenous administration, or for example Tablets, troches, capsules, elixirs manufactured by procedures known to those skilled in the art , Suspensions, emulsions, syrups, wafer-like preparations, chewing gums Oral administration in the form of an agent or the like is preferred. If the composition as described above is therapeutically useful Alternatively, the amount of active compound in the formulation is such that administration in an appropriate amount is achieved.   The compounds of the present invention may be administered as the sole active ingredient or may be administered as Class I, Class II Or class IV antiarrhythmic drugs, vasodilators, angiotensin converting enzyme inhibitors, Other antiarrhythmic drugs such as angiotensin II antagonists, diuretics or digitalis Alternatively, they may be administered in combination with other cardiovascular drugs.   The compounds of the present invention are associated with defibrillators, including implantable defibrillators. It can be administered as a way to treat arrhythmias and reduced heart pump function. Departure Bright compounds reduce the frequency of defibrillator firing.   Class I antiarrhythmic drugs are compounds that exert a membrane stabilizing action And drugs that block sodium channels. Transformation of this class Examples of compounds include quinidine, procainamide, disopyramide, lidocaine, toca There are inide, flecainide and propafenone. Sympathy with class II antiarrhythmic drugs A drug that blocks nerve activity. Examples of compounds of this class include proprano There are rolls and acebutrol. Class III antiarrhythmic drugs are known as resting membrane potentials. Or a compound that prolongs the effective refractory period without changing the depolarization rate. Of the present invention In addition to new compounds, compounds such as amiodarone, bretylium and sotalol An object is considered to belong to this class. Class IV antiarrhythmic drug is calcium chan Effective for blocking the flannel. Examples of this class of compounds include diltiazem and verapami There is a le. More detailed definitions of these classes are included herein by reference. Pharma Projects, section C1B, May 19 93.   Vasodilators include compounds such as papaverine and isosorbide dinitrate . Examples of angiotensin converting enzyme inhibitors include enalapril, lisinopril and Contains captopril. Examples of diuretics include hydrochlorothiazide and Acetazolamide is included. The drugs listed here include the above-mentioned drugs intended by the present invention. It is merely one example of the many compounds included.   The activity of the compounds described herein as antiarrhythmic agents was determined by the following test protocol. I confirmed byKsAnd IKrIt is measured by its ability to interrupt current.   Other references (Sanguinetti and Jurkiewicz, “Two c components of cardiac delayed corrected er K+current: differential sensitive ty to block by Class III antiarrhythmi agents, "J. Gen. Physiol. 96, pp. 19 5-215, 1990) using a single-molecule technique. Outward potassium currents are measured in Mott ventricular myocytes. Langandor f Muscle cells are digested by digestion of perfused heart enzymes (collagenase and protease). Isolate. Next, single cells were treated with 0.5 M potassium gluconate, 25 mM KCl. 1 mm filled with 5 mM K (2) ATPTwoVoltage fixation using a hole pipette . Fine The cells were grown at a temperature of 35 ° C. in 132 mN NaCl, 4 mN KCl, 1.2 mN.   6. pH 7, containing MgCl2, 10mN HEPES, 10mN glucose. 2 in the solution of No. 2.   Each cell is maintained at a fixed voltage of -50 mV. −85 → −50 mV voltage gradient, And -10 mV (0.5 seconds) and +50 mV (1.0 seconds) voltage steps. Apply test depolarization. As the peak outward current during voltage fixation, IKIIs measured. As a tail current during repolarization from −10 mV to −50 mV, IKrMeasure Set. I as the time-dependent current during the pulse to +50 mVKsIs measured. Electric Flow is measured during the control period and then after exposure to two different concentrations of the drug.   When examined using this test, the compounds described here were identified as IKs10 as a blocker IC smaller than 0nM50Having. The compounds of the present inventionKrI than shut offKsof 10 times more potent in blocking.                                Example Example 1 (+)-3,5-dichloro-N- [3R-2,3-dihydride B-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1 H-benzo [e] [1,4] diazepin-3-yl] benzamide Step A:2,3-dihydro-2-oxo-5-phenyl             Ru-1- (2,2,2-trifluoroethyl             L) -1H-benzo [e] [1,4] diaze             Manufacture of pins   5-phenyl-1,4-benzodiazepin-2-one (J. Org. Ch. em. 27, p. 3788, 1962; 50 g; 0.211 mol) A solution dissolved in DMF (100 ml) was treated with cesium carbonate (103.5 g; 317 mol) and trifluoroethyl iodide (109.7 g; 0.525 m) ol). The mixture was stirred at 50 ° C. overnight. Next, the reaction mixture was washed with water (2 1) and extracted with ethyl acetate (3 × 11). Ethyl acetate combined The fraction was dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. Remove the residue Crystallization from chill ether gave 45 g (68%) of the title compound. MP = 130-131 ° C1 H NMR (CDClThree; 300 MHz) δ: 7.65 to 7.60 (m, 2 H), 7.60 to 7.45 (m, 5H), 7.40 to 7.20 (m, 2H), 5 . 25 (dq, J = 14 and 8.6 Hz, 1H), 4.82 (d, J = 10.5 Hz, 1H), 4.15 (apparent hexat, J = 8.6 Hz, 1H), 3.81 ( d, J = 10.5 Hz, 1H).Step B :3-azido-5-phenyl-1- (2,2,             2-trifluoroethyl) -1H-benzo             [E] Production of [1,4] diazepine   5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e ] [1,4] diazepine (70 g; 0.22 mol) was added to THF (1500 ml). ) And cooled to -70 ° C, and stirred with potassium t-butoxy. (1.1 equivalents; 0.24 mol; 240 ml of 1N THF solution) It was added dropwise over minutes. 2,4,6-triisopropylbenzenesulfonylazi Do (74.8 g; 0.24 mol) in THF (250 ml) Added over 5 minutes. This was stirred for 10 minutes and acetic acid (40 ml; 0.63 mol l) was added and the reaction mixture was warmed to ambient temperature. The reaction mixture was washed with NaHCOThreeof Poured into a saturated solution (1500 ml) and ethyl acetate (1 l). Phase separated and water The aqueous phase was extracted with ethyl acetate (500ml). Combine the combined organic layers with water (50 0 ml) and then with brine (300 ml). Organic layerTwoSOFourWith Water and evaporated to a brown foam. This foam is crushed with ethyl ether to obtain 65 g of a white powder were obtained. Concentrate the filtrate and elute with 30% ethyl acetate / hexane Chromatography on silica gel yielding a further 8.9 g. The yield is The total weight was 74 g (93%). MP = 159-160 ° C1 H NMR (CDClThree; 300 MHz) δ: 7.70 to 7.26 (m, 9 H) 5.28-5.12 (m, 1H), 4.63 (s, 1H), 4.35-4 . 10 (m, 1H).Step C :3-amino-5-phenyl-1- (2,2,             2-trifluoroethyl) -1H-benzo             [E] Production of racemic [1,4] diazepine   3-azido-2-oxo-5-phenyl-1- (2,2,2-trifluoroe Tyl) -2,3-dihydro-1H-benzo [e] [1,4] diazepine (83. 4 mmol; 30 g) in 300 ml of ethanol and 150 ml of THF The solution was stirred and 10% Pd / C (10% by weight; 3.0 g) was added thereto. Added. Hydrogen gas was bubbled through the solution for 8 hours. The reaction solution is filtered and evaporated under reduced pressure I let you. The residue was crystallized from ethyl ether to give 20.0 g of white crystals . The filtrate was evaporated and recrystallized to recover another 4 g. 86.7% in total Met. MP = 141-143 ° C1 H NMR (CDClThree; 300 MHz) δ: 7.70 to 7.26 (m, 9 H) 5.28-5.12 (m, 1H), 4.57 (s, 1H), 4.35-4 . 10 (m, 1H).Step D :2-amino-N- [2-oxo-5-phenyl             Ru-1- (2,2,2-trifluoroethyl             Ru) -2,3-dihydro-1H-benzo             [E] [1,4] diazepin-3-yl]-             Production of 3-phenylpropionamide   3-Amino-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl Tyl) -2,3-dihydro-1H-benzo [e] [1,4] diazepine (92. 2 mmol; 30.74 g) in DMF (300 ml) was stirred. And N-benzyloxy-D-phenylalanine (92.2 mmol; 2 7.6 g), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide Hydrochloride (0.12 mol; 22.95 g) and 1-hydroxybenztriazo Toluene hydrate (46.1 mmol; 6.23 g) was added. This solution at room temperature Stir for 2 hours. Next, the reaction mixture was quenched with 11 10% KHSO.FourDiluted with acetic acid Extracted with ethyl (2 × 600 ml). Combine the organic layers and add sodium bicarbonate Washed with a saturated solution of um (600 ml). This is brine and sodium sulfate And evaporated under reduced pressure. 66.58 g of an orange foam are obtained, which are NM According to R, it contained ethyl acetate.1 H NMR (CDClThree) [Delta]: 7.75 to 7.18 (m, 20H), 5.6. 2 to 5.55 (m, 1H), 5.48 to 5.00 (m, 4H), 4.72 to 4. 60 (m, 1H), 4.25 to 4.05 (m, 1H), 3.32 to 3.05 (m , 2H).   The obtained material was used without further purification.   2- (N-benzyloxyamino) -N- [2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -2,3-dihydro-1H-benzo [e] [1,4] Diazepin-3-yl] -3-phenylpropionamide was added to 1 l of The solution dissolved in ethanol was stirred, and 10% Pd / C (15% by weight) was added thereto. Was added and hydrogen was bubbled through the reaction solution for 2 hours, then stirred under 1 atm of hydrogen overnight did. The next morning, hydrogen was bubbled through the reaction solution for an additional 3 hours. Next, the reaction solution is filtered, The catalyst was rinsed with 1 liter of methylene chloride and evaporated under reduced pressure. Allow the resulting solid to stand overnight. Air dried to give 44.46 g of a white solid. This solid is made up with 1% MeOH: Chromatography on silica eluting with EtOAc. Pure high Rf Fraction (upper Rffractions) were collected and evaporated under reduced pressure. Mixed The combined fractions were collected, evaporated and chromatographed again. Collect pure fractions Together with the pure fractions above High R with 18.11 g (83.5%) yieldfDiastereomers were obtained.1 H NMR (CDClThree; 300 MHz) [delta]: 8.94 (d, J = 8.6H) z, 1H), 7.65 to 7.10 (m, 9H), 5.64 (d, J = 8.6 Hz) , 1H), 5.28 to 5.12 (m, 1H), 4.57 (s, 1H), 4.35 44.10 (m, 1H), 3.71 (dd, J = 9.8 and 3.9 Hz, 1H) 3.34 (dd, J = 13.9 and 3.9 Hz, 1H), 2.79 (dd, J = 13.9 and 10.0 Hz, 1H).   X-ray analysis showed that the absolute stereochemistry at C-3 of the benzodiazepine ring (ab solution stereochemistry was identified as (R).   Low R corresponding to C-3 (S)fMaterial was also isolated.Step E :3 (R)-(+)-3-amino-5-phenyl             Ru-1- (2,2,2-trifluoroethyl             L) -1H-benzo [e] [1,4] diaze             Manufacture of pins   2-amino-N- [2-oxo-5-phenyl-1- (2,2,2-trifluoro (Oroethyl) -2,3-dihydro-1H-benzo [e] [1,4] diazepine- 28. 3-yl] -3-phenylpropionamide (13.6 g; 3 mmol) in methylene chloride (136 ml) was stirred, and Phenyl isothiocyanate (3.87 ml; 34.0 mmol) was added. The solution was stirred overnight at ambient temperature. Then the reaction mixture is cooled in ice and Fluoroacetic acid (2.73 ml; 0.283 mol) was added and the reaction mixture was Warmed to temperature. After stirring at ambient temperature for 2.5 hours, the reaction mixture was evaporated under reduced pressure. Chromatography using 90: 10: 1: 1 methylene chloride: methanol: acetic acid: water Hanged on graphy. Low RfSpot collected and evaporated under reduced pressure without heating . The residue is taken up in 600 ml of methylene chloride and 300 ml of NaHCO 3ThreeSaturation Washed with the solution and 300 ml of water. The solution is NaTwoSOFourAnd evaporate under reduced pressure I let it. The residue was crystallized from ethyl acetate: hexane to give 6.65 g of white A powder was obtained. MP = 162-164 ° C1 H NMR (CDClThree; 300 MHz) δ: 7.70 to 7.26 (m, 9 H) 5.28-5.12 (m, 1H), 4.57 (s, 1H), 4.35-4 . 10 (m, 1H). [Α]D= + 72.9 ° (c = 0.7; MeOH)   Similarly, the low R of step DfPreparation of (-)-3S enantiomer from product Built. MP = 156-158 ° C1 H NMR (CDClThree; 300 MHz) δ: 7.70 to 7.26 (m, 9 H) 5.28-5.12 (m, 1H), 4.57 (s, 1H), 4.35-4 . 10 (m, 1H). [Α]D= -71.2 ° (c = 0.66; MeOH)Step F :(+)-3,5-Dichloro-N- [3R-2,             3-dihydro-2-oxo-5-phenyl-             1- (2,2,2-trifluoroethyl)-             1H-benzo [e] [1,4] diazepine-             Production of 3-yl] benzamide   (+)-3R-3-amino-5-phenyl-1- (2,2,2-trifluoro Ethyl) -1H-benzo [e] [1,4] diazepine (5.6 g; 16.8 m) mol) in DMF (50 ml) was stirred, and 1- (3-di- Methylaminopropyl) -3-ethylcarbodiimide hydrochloride (4.44 g; 2 3.0 mmol), and 1-hydroxybenztriazole hydrate (3.11 g; 23.0 mmol) and 3,5-dichlorobenzoic acid (3.21 g; 16.8 m) mol) was added. This was stirred at ambient temperature for 2 hours. 500 m of reaction mixture 1 NaHCOThreeDilute with saturated solution and extract with 2 × 300 ml of ethyl acetate. Combine the combined organic phases with 10% KHSOFour(200 ml), brine (200 ml) and washed with NaTwoSOFourAnd evaporated to give a white foam. This bubble On a 75 × 200 mm silica column eluting with 20% ethyl acetate: hexane Was chromatographed. The pure fractions were collected and evaporated under reduced pressure to 8.5 g of a white foam, which was crystallized from 15% ethyl acetate: hexane to give 5.3. g of a white powder were obtained. MP = 140-143 ° C [Α]D= + 47.9 °1 H NMR (CDClThree; 300 MHz) δ: 7.85 to 7.75 (m, 2 H), 7.70 to 7.20 (m, 9H), 5.78 (d, J = 8.1 Hz, 1H) ) 5.30-5.15 (m, 1H), 4.30-4.15 (m, 1H). Ctwenty fourH16ClTwoFThreeNThreeOTwoElemental analysis of:   Calculated C 56.93; H 3.19; N 8.30.   Found: C 56.81; H 3.17; N 8.17.   The compounds of the following examples were prepared in substantially the same manner as described in Step F of Example 1. Manufactured and manufactured.Example 2 (-)-2- (3,4-dichlorophenyl) -N- [3R-2,3-dihydro- 2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide MP = 219-221 ° C [Α]D= -10.8 °1 H NMR (CDClThree; 300 MHz) δ: 7.65 to 7.15 (m, 1 2H), 5.78 (d, J = 8.1 Hz, 1H), 5.25 to 5.10 (m, 1 H) 4.25-4.05 (m, 1H), 3.56 (s, 2H). Ctwenty fiveH18ClTwoFThreeNThreeOTwo・ 0.85HTwoElemental analysis of O:   Calculated C 56.06; H 3.71; N 7.84.   Found C 56.03; H 3.53; N 7.82.Example 3 (-)-2- (3,5-dichlorophenyl) -N- [3R-2,3-dihydro- 2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide MP = 93-100 ° C [Α]D= -5.7 °1 H NMR (CDClThree; 300 MHz) δ: 7.65 to 7.15 (m, 1 2H), 5.78 (d, J = 8.1 Hz, 1H), 5.25 to 5.10 (m, 1 H) 4.25-4.05 (m, 1H), 3.65 (s, 2H). Ctwenty fiveH18ClTwoFThreeNThreeOTwoElemental analysis of:   Calculated C 57.71; H 3.49; N 8.08.   Found C 57.41; H 3.48; N 8.12.Example 4 (-)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [3R- 2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Roethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetami Do MP = foam ° C [Α]D= -9.7 ° (c = 0.59; MeOH) C27H18F9NThreeOTwo・ 0.75HTwoElemental analysis of O (%):   Calculated C 53.96; H 3.27; N 6.99.   Found: C 53.96; H 3.1; N 6.98Example 5 (-)-2- (4-trifluoromethylphenyl) -N- [3R-2,3-dihi Dro-2-oxo-5-phenyl- 1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1,4] dia Zepin-3-yl] acetamide MP = 253-255 ° C [Α]D= -9.2 ° (c = 0.25; MeOH) C26H19F6NThreeOTwo・ 0.05 ethyl ether ・ 0.55HTwoElemental analysis of O (%) :   Calculated C 59.03; H 3.9; N 7.88.   Found C 59.05; H 3.82; N 7.78.Example 6 2- (3-trifluoromethylphenyl) -N- [3R-2,3-dihydro-2 -Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-be Nzo [e] [1,4] diazepin-3-yl] acetamide MP = 172-173 ° C. [Α]D= + 5.9 ° (c = 0.56; CHClThree) C26H19F6NThreeOTwo・ 0.60HTwoElemental analysis of O (%):   Calculated C 58.89; H 3.84; N 7.92.   Found: C, 58.92; H, 3.71; N, 7.98.Example 7 (+)-2- (2-trifluoromethylphenyl) -N- [3R-2,3-diphenyl Dro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide MP = 170-171 ° C. [Α]D= + 9.0 ° (c = 0.48; CHClThree) C26H19F6NThreeOTwo・ 0.25HTwoElemental analysis of O (%):   Calculated C 59.6; H 3.75; N 8.02.   Found C 59.64; H 3.68; N 7.97.Example 8 (-)-2- (2,4-dichlorophenyl) -N- [3R-2,3-dihydro- 2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide MP = 143-145 ° C [Α]D= −22.6 ° (c = 0.73; MeOH) Ctwenty fiveH18NThreeOTwoClTwoFThreeElemental analysis of (%):   Calculated C 57.71; H 3.49; N 8.08.   Found: C, 57.75; H, 3.52; N, 8.09.Example 9 (-)-2- (3-chlorophenyl) -N- [3R-2,3-dihydro-2-o Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide MP = 188-189 ° C [Α]D= -5.4 ° (c = 1.03; MeOH) Ctwenty fiveH19ClFThreeNThreeOTwoElemental analysis of 0.10 ethyl ether (%):   Calculated C 61.84; H 4.09; N 8.52.   Found C 61.84; H 4.05; N 8.5.Example 10 (-)-2- (4-chlorophenyl) -N- [3R-2,3-dihydro-2-o Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide MP = 246-247 ° C. [Α]D= -10.1 ° (c = 0.45; MeOH) Ctwenty fiveH19ClFThreeNThreeOTwo・ 0.20HTwoElemental analysis of O · 0.15 ethyl ether ( %):   Calculated C 61.42; H 4.21; N 8.39.   Found C 61.46; H 4.15; N 8.39.Example 11 (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [3R- 2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Roethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetami Do Step A:2,4-bis (trifluoromethyl) benzo             Nitrile   100 ml of ethanol and 250 ml of phosphate buffer (HTwoO 5ml hit 1 g of NaHTwoPOFour・ HTwoO; pH adjusted to 7.0 with 50% NaOH) Heat and stir a biphasic mixture with NaCN (81.3 mmol; 4.0 g) to 60 ° C This was combined with 2,4-bis (trifluoromethyl) benzene in 50 ml of EtOH. Rubromide (32.5 mmol; 10 g) was added dropwise over 30 minutes. reaction The mixture was heated at 60 C for 24 hours. Then the reaction mixture was evaporated under reduced pressure. The residual aqueous phase was extracted with 2.times.150 ml of EtOAc. Combine the organic layers together, Brine and NaTwoSOFourAnd dehydrated. The organic phase was evaporated under reduced pressure and the residue 0% EtOAc: hexane eluted with hexane Chromatography on mosquito. The pure fractions were collected and evaporated to give 7 . 0 g (85.1%) of a pale yellow oil was obtained.1 H NMR (CDClThree) Δ: 8.0 to 7.85 (m, 3H), 4.03 (s , 2H).Step B :2,4-bis (trifluoromethyl) phenyl             Acetic acid   2,4-bis (trifluoromethyl) benzonitrile (41.5 mmol; 10.51 g) in 100 ml of acetic acid, 50 ml of concentrated HTwoSOFourAnd 20 ml of water I took it. This was heated to 120 ° C. for 3 hours. Next, the reaction mixture was washed with 1 liter of ice water. Dilute and extract with 2 × 300 ml of ethyl acetate. 2 × combined organic phases Wash with 200 ml water, brine and NaTwoSOFourDehydrate and evaporate under reduced pressure Was. Take up the residue in a minimum amount of diethyl ether and add a sufficient amount of hexane. More crystallization precipitated the product. The solid was recovered and 7.74 g (68. 5%) of 2,4-bis (trifluoromethyl) phenylacetic acid as white crystals. I got it.1 H NMR (CDClThree) Δ: 7.93 (s, 1H), 7.80 (d, J = 7) . 9Hz, 1H), 7.55 (d, J = 7.9 Hz, 1H), 3.94 (s, 2 H).Step C :(-)-2- [2,4-bis (trifluoro             Methyl) phenyl] -N- [3R-2,3-             Dihydro-2-oxo-5-phenyl-1-             (2,2,2-trifluoroethyl) -1H             -Benzo [e] [1,4] diazepine-3-             Production of [Il] acetamide   3R-3-amino-2-oxo-5-phenyl-1- (2,2,2-trifluoro (Oroethyl) -2,3-dihydro-1H-benzo [e] [1,4] diazepine ( 28.4 mmol; 9.47 g) in DMF (100 ml) After stirring, 2,4-bis (trifluoromethyl) phenylacetic acid (28.4 m mol; 7.74 g), 1- (3-dimethylaminopropyl) -3-ethylca Rubodiimide hydrochloride (42.6 mmol; 8.16 g) and 1-hydroxy Nutstriazole hydrate (14.2 mm ol; 1.92 g). This was stirred at room temperature for 1 hour. Next, the reaction mixture The mixture was mixed with 750 ml of 10% KHSOFourAnd diluted with ethyl acetate (2 x 300 ml ). Combine the organic layers and combine with a saturated solution of sodium bicarbonate (1 × 6 00 ml). After that, dehydrate the organic phase with brine and sodium sulfate And evaporated under reduced pressure. The residue is eluted with 20% EtOAC: hexane Chromatography on silica. Pure fractions were collected and evaporated. Remaining The distillate was taken up in 100 ml of warmed 75% isopropanol: water. This Cooled down and stirred at room temperature overnight (16 hours). Cool the suspension to @ 5 ° C in a short time And then filtered. Dry the white solid at 60 ° C overnight and melt at 132-134 ° C 10.5 g of the desired substance were obtained. The crystallinity is confirmed by X-ray diffraction.1 H NMR (CDClThree) [Delta]: 7.95 to 7.25 (m, 13H), 5.60. (D, J = 8.1 Hz, 1H), 5.30 to 5.10 (m, 1H), 4.25 to 4.06 (m, 1H), 3.96 (s, 2H). C27H18F9NThreeOTwoElemental analysis of (%):   Calculated value C 55.20; H 3.09; N 7.15   Found C 55.03; H 3.14; N 7.10.Example 12 (±) -2- (3,5-dichlorophenyl) -N- [2,3-dihydro-2-o Oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide MP = 219-220 ° C, racemic Ctwenty fiveH18NThreeOTwoClTwoFThreeElemental analysis of (%):   Calculated C 57.71; H 3.49; N 8.08.   Found: C, 57.94; H, 3.48; N, 8.02.Example 13 2- (3,5-dichloro-4-methoxyphenyl) -N- [3R-2,3-diphenyl Dro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl)- 1H-benzo [E] [1,4] Diazepin-3-yl] acetamide MP = 100-104 ° C [Α]D= -8.9 [deg.] (C = 0.55; MeOH) C26H20ClTwoFThreeNThreeOThreeElemental analysis of (%):   Calculated C 56.74; H 3.66; N 7.63.   Found C 55.67; H 3.47; N 7.41.   The compounds of the following examples were prepared in substantially the same manner as described in Example 1, except that In step A, the fluorosubstituted aminobenzophenone is replaced as appropriate to produce Was.Example 14 (+)-2- (3,5-dichlorophenyl) -N- [2,3-dihydro-5- ( 4-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl ) -1H-B Nzo [e] [1,4] diazepin-3-yl] acetamide MP = foam C [Α]D= + 3.4 ° (c = 0.55; MeOH) Ctwenty fiveH17NThreeOTwoClTwoFFourElemental analysis of (%):   Calculated C 55.78; H 3.18; N 7.81   Found C 55.73; H 3.25; N 7.72.Example 15 (-)-2- (2,4-dichlorophenyl) -N- [2,3-dihydro-5- ( 4-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl ) -1H-Benzo [e] [1,4] diazepin-3-yl] acetami Do MP = foam C [Α]D= -11 ° (c = 0.68; MeOH) Ctwenty fiveH17NThreeOTwoFFourElemental analysis of (%):   Calculated C 55.78; H 3.18; N 7.81   Found C 55.82; H 3.41; N 7.42.Example 16 (+)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [2,3 -Dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2- Trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] Acetamide MP = foam C [Α]D= + 2.8 ° (c = 0.67; MeOH) C27H17NThreeOTwoFTenElemental analysis of (%):   Calculated C 53.56; H 2.83; N 6.94.   Found: C 53.56; H 2.93; N 6.91Example 17 (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [2,3 -Dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2- Trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] Acetamide [Α]D= -14 ° (c = 0.63; MeOH) C27H17NThreeOTwoFTenElemental analysis of (%):   Calculated C 53.56; H 2.83; N 6.94.   Found C 53.3; H 2.89; N 7.05.Example 18 3-cyclohexyl-N- [2,3-dihydro-5- (2-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] propionamide MP = 202-204 ° C1 H NMR (CDClThree) Δ: 7.72 (m, 8H), 5.65 (d, J = 8) . 3Hz, 1H), 5.35 to 5.08 (m, 1H), 4.32 to 4.15 (m , 1H), 2.37 (t, J = 7.8 Hz, 2H), 1.80 to 1.55 (m, 7H) 1.45 C26H27FFourNThreeOTwoElemental analysis of (%):   Calculated C 63.8; H 5.56; N 8.58.   Found: C 63.82; H 5.54; N 8.56.Example 19 3,4-dichloro-N- [2,3-dihydro-5- (2-fluorophenyl)- 2-oxo-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [ 1,4] Diazepin-3-yl] benzamide MP = 168-170 ° C1 H NMR (CDClThree6.) [delta]: 8.03 (d, J = 2.0 Hz, 1H); 86 (d, J = 7.8 Hz, 1H), 7.78 to 7.05 (m, 9H), 5.8 0 (d, J = 7.8 Hz, 1H), 5.27 to 5.15 (m, 1H), 4.35 ~ 4.20 (m, 1H). Ctwenty fourHFifteenClTwoFFourNThreeOTwoElemental analysis of (%):   Calculated C 54.98; H 2.88; N 8.01.   Found: C 54.96; H 2.89; N 8.12.

【手続補正書】特許法第184条の8第1項 【提出日】1996年8月28日 【補正内容】請求の範囲 1. 構造式I 〔式中 X及びYは独立に水素、クロロ、フルオロ、ブロモ、ヨード、またはトリフルオ ロメチルであり、nは0、1または2であり、 Rは水素、フルオロ、クロロ、ブロモ、ヨード、トリフルオロメチル、メチルま たはメトキシである〕の化合物並びに該化合物の、いずれも異性体形態であるエ ナンチオマー混合物、個々のジアステレオマーまたは個々のエナンチオマー、及 び医薬に許容可能な塩、水和物または結晶形態。 2. (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[ 3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド、 5. (−)−2−(3,5−ジクロロフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド であることを特徴とする請求項1に記載の化合物。 6. (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[ 3R−2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリ フルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセ トアミド であることを特徴とする請求項1に記載の化合物。 7. 医薬に許容可能なキャリヤを含有し、かつ不整脈治療用の請求項1に記載 の化合物またはその医薬に許容可能な塩、結晶形態もしくは水和物を治療有効量 で含有する医薬組成物。 8. 別の抗不整脈薬または他の心血管薬も含有することを特徴とする請求項7 に記載の組成物。 9. 不整脈を予防または治療する方法であって、そのような治療を必要とする ヒト以外の患者に請求項1に記載の化合物を抗不整脈有効量で投与することを含 む方法。 10. 別の抗不整脈薬または他の心血管薬の同時投与を含むことを特徴とする 請求項9に記載の方法。 11. 医薬に許容可能なキャリヤを含有し、かつ不整脈治療用の請求項6に記 載の化合物またはその医薬に許容可能な塩、結晶形態もしくは水和物を治療有効 量で含有する医薬組成物。 12. 別の抗不整脈薬または他の心血管薬も含有することを特徴とする請求項 11に記載の組成物。 13. 不整脈を予防または治療する方法であって、そのような治療を必要とす るヒト以外の患者に請求項6に記載 の化合物を抗不整脈有効量で投与することを含む方法。 14. 別の抗不整脈薬または他の心血管薬の同時投与を含むことを特徴とする 請求項13に記載の方法。[Procedure for Amendment] Article 184-8, Paragraph 1 of the Patent Act [Date of Submission] August 28, 1996 [Content of Amendment] Claims 1. Structural formula I Wherein X and Y are independently hydrogen, chloro, fluoro, bromo, iodo or trifluoromethyl, n is 0, 1 or 2, and R is hydrogen, fluoro, chloro, bromo, iodo, trifluoro Methyl, methyl or methoxy], as well as enantiomeric mixtures, individual diastereomers or individual enantiomers, both of which are in isomeric form, and pharmaceutically acceptable salts, hydrates or crystalline forms. 2. (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro 4. ethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide; (-)-2- (3,5-dichlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide The compound according to claim 1, wherein 6. (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Ethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide The compound according to claim 1, wherein 7. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of the compound of claim 1 or a pharmaceutically acceptable salt, crystalline form or hydrate thereof for the treatment of arrhythmia. 8. The composition according to claim 7, further comprising another antiarrhythmic drug or another cardiovascular drug. 9. A method of preventing or treating arrhythmia, comprising administering to a non-human patient in need of such treatment a compound of claim 1 in an antiarrhythmic effective amount. 10. 10. The method of claim 9, comprising co-administration of another antiarrhythmic or other cardiovascular drug. 11. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound according to claim 6 or a pharmaceutically acceptable salt, crystalline form or hydrate thereof for the treatment of arrhythmia. 12. 12. The composition according to claim 11, which also contains another antiarrhythmic or other cardiovascular drug. 13. A method for preventing or treating arrhythmia, comprising administering to a non-human patient in need of such treatment a compound according to claim 6 in an antiarrhythmic effective amount. 14. 14. The method according to claim 13, comprising co-administration of another antiarrhythmic or other cardiovascular drug.

───────────────────────────────────────────────────── フロントページの続き (81)指定国 EP(AT,BE,CH,DE, DK,ES,FR,GB,GR,IE,IT,LU,M C,NL,PT,SE),OA(BF,BJ,CF,CG ,CI,CM,GA,GN,ML,MR,NE,SN, TD,TG),AP(KE,MW,SD,SZ,UG), AM,AU,BB,BG,BR,BY,CA,CN,C Z,EE,FI,GE,HU,IS,JP,KG,KR ,KZ,LK,LR,LT,LV,MD,MG,MK, MN,MX,NO,NZ,PL,RO,RU,SG,S I,SK,TJ,TM,TT,UA,US,UZ (72)発明者 リバートン,ナイジエル アメリカ合衆国、ニユー・ジヤージー・ 07065、ローウエイ、イースト・リンカー ン・アベニユー・126 (72)発明者 セルニツク,ハロルド・ジー アメリカ合衆国、ニユー・ジヤージー・ 07065、ローウエイ、イースト・リンカー ン・アベニユー・126────────────────────────────────────────────────── ─── Continuation of front page    (81) Designated countries EP (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, M C, NL, PT, SE), OA (BF, BJ, CF, CG , CI, CM, GA, GN, ML, MR, NE, SN, TD, TG), AP (KE, MW, SD, SZ, UG), AM, AU, BB, BG, BR, BY, CA, CN, C Z, EE, FI, GE, HU, IS, JP, KG, KR , KZ, LK, LR, LT, LV, MD, MG, MK, MN, MX, NO, NZ, PL, RO, RU, SG, S I, SK, TJ, TM, TT, UA, US, UZ (72) Inventors Riverton, Nijel             New Jersey, United States             07065, Lowway, East Linker             N Avenue 126 (72) Inventor Sernitsk, Harold G             New Jersey, United States             07065, Lowway, East Linker             N Avenue 126

Claims (1)

【特許請求の範囲】 1. 抗不整脈薬である構造式I 〔式中 X及びYは独立に水素、クロロ、フルオロ、ブロモ、ヨード、またはトリフルオ ロメチルであり、nは0、1または2であり、 Rは水素、フルオロ、クロロ、ブロモ、ヨード、トリフルオロメチル、メチルま たはメトキシである〕の化合物並びに該化合物の、いずれも異性体形態であるラ セミ化合物、エナンチオマー混合物、個々のジアステレオマーまたは個々のエナ ンチオマー、及び医薬に許容可能な塩、水和物または結晶形態。 2. (−)−2−[2,4−ビス(トリフルオロメチ ル)フェニル]−N−[3R−2,3−ジヒドロ−2−オキソ−5−フェニル− 1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][1,4]ジア ゼピン−3−イル]アセトアミド、 (+)−3,5−ジクロロ−N−[3R−2,3−ジヒドロ−2−オキソ−5− フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][1 ,4]ジアゼピン−3−イル]ベンズアミド、 (−)−3,4−ジクロロフェニル−1−イル−N−[3R−2,3−ジヒドロ −2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H −ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(3,5−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 3−シクロヘキシル−N−[2,3−ジヒドロ−5−(2−フルオロフェニル) −2−オキソ−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e] [1,4]ジアゼピン−3−イル]プロピオンアミド、 3,4−ジクロロ−N−[2,3−ジヒドロ−5−(2−フルオロフェニル)− 2−オキソ−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e][ 1,4]ジアゼピン−3−イル]ベンズアミド、 (−)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[3R− 2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオ ロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミ ド、 (−)−2−(4−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(3−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2−トリフルオロメチルフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2,4−ジクロロフェニル)−N−[3R−2,3−ジヒドロ− 1−(2,2,2−トリフルオロエチル)−2−オキソ−5−フェニル−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(3−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(4−クロロフェニル)−N−[3R−2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1,4]ジアゼピン−3−イル]アセトアミド、 (+)−2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−5−( 4−フルオロフェニル)−2−オキソ−1−(2,2,2−トリフルオロエチル )−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (−)−2−(2,4−ジクロロフェニル)−N−[2,3−ジヒドロ−5−( 4−フルオロフェニル)−2−オキソ−1−(2,2,2−トリフルオロエチル )−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド、 (+)−2−[3,5−ビス(トリフルオロメチル)フェニル]−N−[2,3 −ジヒドロ−5−(4−フルオロフェニル)−2−オキソ−1−(2,2,2− トリフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド、 (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[2,3 −ジヒドロ−5−(4−フルオロフェニル)−2−オキソ−1−(2,2,2− トリフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル] アセトアミド、 (±)−2−(3,5−ジクロロフェニル)−N−[2,3−ジヒドロ−2−オ キソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ [e][1, 4]ジアゼピン−3−イル]アセトアミド、 2−(3,5−ジクロロ−4−メトキシフェニル)−N−[2,3−ジヒドロ− 2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)−1H− ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド の中から選択されることを特徴とする請求項1に記載の化合物。 3. (+)−3,5−ジクロロ−N−[3R−2,3−ジヒドロ−2−オキソ −5−フェニル−1−(2,2,2−トリフルオロエチル)−1H−ベンゾ[e ][1,4] ジアゼピン−3−イル]ベンズアミド であることを特徴とする請求項1に記載の化合物。 4. (−)−2−(3,4−ジクロロフェニル)−N−[3R−2,3−ジヒ ドロ−2−オキソ−5−フェニル−1−(2,2,2−トリフルオロエチル)− 1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセトアミド であることを特徴とする請求項1に記載の化合物。 5. (−)−2−(3,5−ジクロロフェニル)−N− [3R−2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−ト リフルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]ア セトアミド であることを特徴とする請求項1に記載の化合物。 6. (−)−2−[2,4−ビス(トリフルオロメチル)フェニル]−N−[ 3R−2,3−ジヒドロ−2−オキソ−5−フェニル−1−(2,2,2−トリ フルオロエチル)−1H−ベンゾ[e][1,4]ジアゼピン−3−イル]アセ トアミド であることを特徴とする請求項1に記載の化合物。 7. 医薬に許容可能なキャリヤを含有し、かつ請求項1に記載の化合物または その医薬に許容可能な塩、結晶形態もしくは水和物を治療有効量で含有する医薬 組成物。 8. 別の抗不整脈薬または他の心血管薬も含有することを特徴とする請求項7 に記載の組成物。 9. 不整脈を予防または治療する方法であって、そのような治療を必要とする 患者に請求項1に記載の化合物を抗不整脈有効量で投与することを含む方法。 10. 別の抗不整脈薬または他の心血管薬の同時投与を含むことを特徴とする 請求項9に記載の方法。 11. 医薬に許容可能なキャリヤを含有し、かつ請求項6に記載の化合物また はその医薬に許容可能な塩、結晶形態もしくは水和物を治療有効量で含有する医 薬組成物。 12. 別の抗不整脈薬または他の心血管薬も含有することを特徴とする請求項 11に記載の組成物。 13. 不整脈を予防または治療する方法であって、そのような治療を必要とす る患者に請求項6に記載の化合物を抗不整脈有効量で投与することを含む方法。 14. 別の抗不整脈薬または他の心血管薬の同時投与を 含むことを特徴とする請求項13に記載の方法。[Claims] 1. Structural formula I which is an antiarrhythmic drug Wherein X and Y are independently hydrogen, chloro, fluoro, bromo, iodo or trifluoromethyl, n is 0, 1 or 2, and R is hydrogen, fluoro, chloro, bromo, iodo, trifluoro Methyl, methyl or methoxy) as well as racemic compounds, enantiomeric mixtures, individual diastereomers or individual enantiomers, both of which are in isomeric form, and pharmaceutically acceptable salts, hydrates or Crystal morphology. 2. (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Ethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (+)-3,5-Dichloro-N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [ 1,4] diazepin-3-yl] benzamide, (-)-3,4-Dichlorophenyl-1-yl-N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] diazepin-3-yl] acetamide, (-)-2- (3,5-dichlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] diazepin-3-yl] acetamide, 3-cyclohexyl-N- [2,3-dihydro-5- (2-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1,4 Diazepin-3-yl] propionamide; 3,4-dichloro-N- [2,3-dihydro-5- (2-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [1 , 4] diazepin-3-yl] benzamide, (-)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Ethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (4-trifluoromethylphenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (3-trifluoromethylphenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (2-trifluoromethylphenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H- Benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (2,4-dichlorophenyl) -N- [3R-2,3-dihydro-1- (2,2,2-trifluoroethyl) -2-oxo-5-phenyl-1H-benzo [E] [1,4] diazepin-3-yl] acetamide, (-)-2- (3-chlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e [1,4] diazepin-3-yl] acetamide, (-)-2- (4-chlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e [1,4] diazepin-3-yl] acetamide, (+)-2- (3,5-dichlorophenyl) -N- [2,3-dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- (2,4-dichlorophenyl) -N- [2,3-dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2-trifluoroethyl)- 1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (+)-2- [3,5-bis (trifluoromethyl) phenyl] -N- [2,3-dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2 Trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [2,3-dihydro-5- (4-fluorophenyl) -2-oxo-1- (2,2,2 Trifluoroethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide, (±) -2- (3,5-dichlorophenyl) -N- [2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e [1,4] diazepin-3-yl] acetamide, 2- (3,5-dichloro-4-methoxyphenyl) -N- [2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [ e] [1,4] Diazepin-3-yl] acetamide The compound according to claim 1, wherein the compound is selected from: 3. (+)-3,5-Dichloro-N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [e] [ 1,4] diazepin-3-yl] benzamide The compound according to claim 1, wherein 4. (-)-2- (3,4-dichlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide The compound according to claim 1, wherein 5. (-)-2- (3,5-dichlorophenyl) -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoroethyl) -1H-benzo [E] [1,4] Diazepin-3-yl] acetamide The compound according to claim 1, wherein 6. (-)-2- [2,4-bis (trifluoromethyl) phenyl] -N- [3R-2,3-dihydro-2-oxo-5-phenyl-1- (2,2,2-trifluoro Ethyl) -1H-benzo [e] [1,4] diazepin-3-yl] acetamide The compound according to claim 1, wherein 7. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a compound according to claim 1 or a pharmaceutically acceptable salt, crystalline form or hydrate thereof, in a therapeutically effective amount. 8. The composition according to claim 7, further comprising another antiarrhythmic drug or another cardiovascular drug. 9. A method for preventing or treating arrhythmia, comprising administering to a patient in need of such treatment a compound according to claim 1 in an antiarrhythmic effective amount. 10. 10. The method of claim 9, comprising co-administration of another antiarrhythmic or other cardiovascular drug. 11. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and a compound according to claim 6, or a pharmaceutically acceptable salt, crystalline form or hydrate thereof, in a therapeutically effective amount. 12. 12. The composition according to claim 11, which also contains another antiarrhythmic or other cardiovascular drug. 13. A method for preventing or treating arrhythmia, comprising administering to a patient in need of such treatment an antiarrhythmic effective amount of a compound according to claim 6. 14. 14. The method according to claim 13, comprising co-administration of another antiarrhythmic or other cardiovascular drug.
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